WO2010041607A1 - 爆発物、不正薬物検査装置、アンテナコイルおよび爆発物、不正薬物検査方法 - Google Patents
爆発物、不正薬物検査装置、アンテナコイルおよび爆発物、不正薬物検査方法 Download PDFInfo
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- WO2010041607A1 WO2010041607A1 PCT/JP2009/067262 JP2009067262W WO2010041607A1 WO 2010041607 A1 WO2010041607 A1 WO 2010041607A1 JP 2009067262 W JP2009067262 W JP 2009067262W WO 2010041607 A1 WO2010041607 A1 WO 2010041607A1
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- explosives
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/441—Nuclear Quadrupole Resonance [NQR] Spectroscopy and Imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
- G01N24/084—Detection of potentially hazardous samples, e.g. toxic samples, explosives, drugs, firearms, weapons
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
- G01R33/3657—Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil
Definitions
- the present invention relates to explosives, illegal drug inspection devices, antenna coils and explosives, and illegal drug inspection methods, and is particularly suitable for reliably detecting explosives and illegal drugs hidden in aircraft cargo.
- the present invention relates to an explosive, an illegal drug inspection device, an antenna coil used in the device, and an explosive and an illegal drug inspection method using the device.
- NQR inspection apparatus using nuclear quadrupole resonance (NQR) has been recently proposed (for example, Patent Document 1).
- the NQR inspection apparatus excites a nuclear quadrupole of an inspection object by irradiating a radio frequency pulse including a resonance frequency as a radio wave from a transmission coil by exciting a nuclear quadrupole of the inspection object.
- a quadrupole signal (hereinafter also referred to as “NQR signal”) is received by a receiving coil, amplified, and analyzed to identify and detect a substance. For this reason, it is possible to detect explosives and illegal drugs placed in a plastic container.
- the conventional NQR inspection apparatus performs measurement under the condition that the inspection object is positioned in the solenoid type transmission / reception coil of the apparatus.
- the frequency of the irradiation radio wave is about 500 kHz to 4 MHz, but in this radio wave band, the external noise (noise) is large, and this noise may adversely affect the inspection signal. For this reason, it is necessary to take measures against noise at the time of inspection. In the conventional NQR inspection apparatus, it is necessary to provide an electromagnetic shield outside the transmission / reception coil in order to completely shield the environmental noise.
- FIG. 9 a baggage inspection apparatus as an example of a conventional NQR inspection apparatus is shown in FIG.
- 21 is an antenna coil.
- Reference numerals 22 and 23 denote tunnel-structure electromagnetic shields that completely cover the antenna coil 21.
- a belt conveyor (not shown) is provided at the bottom of the electromagnetic shield 23.
- Reference numeral 24 denotes a personal computer (PC). In addition, these are arrange
- PC personal computer
- the bag 25 containing the inspection object 26 is conveyed inside the tunnel-shaped electromagnetic shield 23 and passes through the antenna coil 21 where external noise is shielded by the electromagnetic shields 22 and 23. At that time, the antenna coil 21 irradiates the bag 25 containing the inspection object 26 with a radio wave of a predetermined wavelength, and then receives the NQR signal.
- the received NQR signal is processed by the PC 24. If an explosive or an illegal drug is detected as a result of the processing, it is displayed on the screen of the PC 24. Further, a warning lamp (not shown) may be turned on as necessary.
- the conventional NQR inspection apparatus performs measurement by positioning the inspection object in the solenoid-type transmission / reception coil of the apparatus. It was. Furthermore, in recent years, the size of inspection objects has become larger, and a larger inspection apparatus has been required. In addition, there is an increasing demand for body check and shoe inspection. Therefore, it has been desired to develop an NQR inspection apparatus that is compact and can reliably inspect various explosives and illegal drugs.
- the invention described in claim 1 High-frequency pulse generating means; An antenna coil that radiates the generated high-frequency pulse to the inspection object as a radio wave, and receives a nuclear quadrupole signal generated when the inspection object is excited by the radio wave; Detecting means for detecting explosives and / or illegal drugs in the inspection object based on the received nuclear quadrupole signal;
- the antenna coil is formed in an 8-shaped shape using a coaxial cable for high frequency so that two solenoid-type coil portions wound in reverse are provided, and is configured to be used facing an inspection object. Explosives and illegal drug testing device characterized by
- the present inventor can measure an object to be inspected without being placed in the transmission / reception coil of the apparatus, and further reduce the noise received by the antenna coil by a simple method, thereby making the apparatus compact. We thought about it and studied concrete methods.
- the antenna coil is used while facing the object to be inspected, and is formed by using a coaxial cable for high frequency in an 8-shape so that two solenoid type coil portions wound in reverse are provided. It has been found that noise can be greatly reduced without providing an electromagnetic shield that covers the antenna coil as in the prior art. That is, since the coaxial cable for high frequency is a cable in which the outside of the conducting wire is covered with an electromagnetic shielding material, electric field noise in the vicinity can be reduced by using the coaxial cable for high frequency, and two solenoid-type coil portions wound in reverse to each other can be provided. The magnetic field noise from a distant place can be reduced by forming it in a letter shape.
- each member which comprises an inspection apparatus can also be made compact, it becomes possible to make the whole inspection apparatus compact.
- the antenna coil small, various usage methods can be used from the conventional limited usage methods such as baggage inspection devices.
- a handy type body checker in which the antenna coil is disconnected from the device body and connected with a cable, the explosives or illegal drugs hidden in the clothing or body can be obtained simply by bringing the small and lightweight antenna coil close to the clothing or body. Can be detected.
- the above-mentioned handy type inspection device can also be used as a baggage inspection device at airports and customs, etc.
- a small and lightweight antenna coil is brought close to the object to be inspected, and it does not transmit radio waves Except for metals, explosives and illegal drugs concealed in wood, ceramics, plastics, etc. can be detected.
- the shape and diameter of the solenoid type coil portion of the antenna coil used in the present invention are appropriately determined according to the application of each inspection apparatus. For example, in the case of the inspection device for body check and the inspection device for landmine exploration, both are circular and the diameter is about 15 cm and about 26 cm, respectively. In the case of a shoe inspection device, an elliptical device is used according to the shape of the shoe sole. On the other hand, if the number of turns of the solenoid type coil portion is too large, the inductance and the capacity of the cable become too large, and the frequency of the NQR signal to be transmitted / received cannot be tuned. For this reason, a solenoid type coil portion having a number of turns of about 2 is preferably used.
- the invention described in claim 2 2.
- the magnetic flux can easily pass and the sensitivity of inspection can be further increased.
- the notch at one central portion of the antenna coil.
- the high-frequency coaxial cable if it is too thin, the shield characteristics and pressure resistance deteriorate, and if it is too thick, the flexibility decreases.
- a high-frequency coaxial cable having a diameter of about 10 mm is preferable.
- the invention according to claim 3 3.
- the inspection apparatus according to the present invention is compact, it can be easily used as a portable inspection apparatus, and is suitable as an inspection apparatus for body check, shoe inspection, or landmine exploration.
- a small and lightweight antenna coil that does not require an electromagnetic shield and has greatly reduced noise is just facing the object to be inspected for body check and shoe inspection. The presence of explosives and illicit drugs can be confirmed with certainty by simply moving them while facing the ground.
- the invention according to claim 4 An explosive material according to any one of claims 1 to 3, wherein the antenna coil is used for an illegal drug testing device, It is formed by using a coaxial cable for high frequency in an 8-shape so as to provide two solenoid-type coil portions wound in reverse to each other, and is configured to be used facing an inspection object. It is an antenna coil for explosives and illegal drug testing devices.
- the invention of this claim specifies the explosive substance and the illegal drug testing device according to the present invention from the surface of the antenna coil, and the effects thereof are as described above.
- the invention described in claim 5 An opposing step of causing the antenna coil according to claim 4 to face an inspection object; An irradiation step of irradiating the inspection object as a radio wave with a high-frequency pulse generated by using a high-frequency pulse generating means from the antenna coil; A receiving step of receiving a nuclear quadrupole signal emitted from the inspection object excited by the radio wave irradiation by the antenna coil; An explosive substance / illegal drug inspection method comprising a detection step of detecting explosives and / or illegal drugs in the inspection object based on the nuclear quadrupole signal received by the antenna coil. .
- the invention of this claim captures the invention of claim 1 from the viewpoint of the method, and is formed in an 8-shape so that two solenoid-type coil portions wound in reverse are provided.
- FIG. 1 is a diagram schematically showing a basic configuration of an antenna part of an explosive substance / illegal drug testing device according to an embodiment of the present invention.
- FIG. 1 (a) and FIG. The figure which expanded the shape of the antenna coil and the center part of the antenna coil is shown.
- reference numeral 1 denotes an antenna coil composed of one high-frequency coaxial cable, which is provided with two left and right solenoid coils, and both ends of which are connected to a matching box (MB) 2 by a connecting portion 3. Yes.
- 1a is a conductive wire having excellent electrical conductivity such as copper
- 1b is an insulator made of PET or the like
- 1c is an electrically conductive electromagnetic shielding material
- 1d is a sheath protective coating.
- the central portion of the antenna coil 1 is not provided with the electromagnetic shielding material 1c and the sheath protective coating 1d, and is provided with a notch 1e in which the inner insulator 1b is exposed. Thereby, the magnetic flux easily passes through the inside of the antenna coil 1.
- the antenna coil 1 configured in this way is composed of a high-frequency coaxial cable, electric field noise can be reduced, and the two solenoid coils on the left and right are wound in reverse directions, so The magnetic field noise from can be canceled out. For this reason, it is not necessary to provide an electromagnetic shield separately from the antenna coil as in the prior art.
- the antenna coil 1 can be used directly facing the object to be inspected. Since there is no need to position the inside, the inspection can be easily performed.
- FIG. 2 is a block diagram showing the basic principle of the antenna unit.
- 1, 2, and 3 are the same as those in FIG. 1, 4 is a power divider, and 5 and 5 'are cross diodes.
- a high-frequency pulse generated from a high-frequency pulse generating means (not shown) is sent from the transmitting side to the antenna coil 1 via the cross diode 5, the power divider 4 and the matching box 2, and inspected from the antenna coil 1.
- the object is irradiated as a radio wave.
- NQR signals emitted by explosives and illegal drugs excited by radio wave irradiation are received by the antenna coil 1, and on the receiving side via the matching box 2, the power divider 4 and the cross diode 5 ', contrary to the time of transmission. Sent to.
- the matching box 2 is provided with a variable capacitor 2a for matching impedance at the NQR frequency.
- FIG. 3 shows the results of a specific inspection performed using the explosives / illegal drug inspection device according to the embodiment of the present invention. Shown and explained.
- RDX Cyclotrimethylethylenetrimine
- TNT Trinitrotoluene
- the relationship between the distance from the inspection object and the level of the NQR signal was measured with 300 g each of RDX and TNT as the inspection object and the Accumulation Time as 10 minutes. The measurement results are shown in FIG. In addition, ⁇ indicates RDX, and ⁇ indicates the level of the NQR signal of TNT.
- the noise level in a normal environment is 25a. u. Since the levels of the NDX signals of RDX and TNT are exceeded, it is difficult to detect the NQR signal even if it is the latest. However, in the inspection apparatus according to the present embodiment, the noise is 1.3a. u. Therefore, the NQR signal can be detected even at a distance of 200 mm or more in the case of RDX and about 100 mm in the case of TNT.
- Baggage Inspection Device This example is an example in which the antenna coil shown in FIG. 1 is used for an inspection device that inspects explosives and illegal drugs concealed in baggage or cargo.
- FIG. 4 is a diagram showing the appearance of the antenna unit 10 of the inspection apparatus.
- the entire antenna unit 10 is covered with a cover, and the antenna coil and matching box shown in FIG. 1 are accommodated in the cover.
- the antenna unit 10 is connected to the main body (not shown) of the inspection apparatus by a cable 7.
- the present embodiment it is possible to quickly inspect an object other than metal by simply bringing the antenna unit 10 into contact with the baggage or cargo without passing the baggage or cargo through the inspection apparatus. Can do.
- the antenna unit 10 since the antenna unit 10 is small, light, and handy, it can be easily handled and easily carried, and can be inspected at any desired location.
- Body Checker This example is an example used for a body checker that inspects human clothes, explosives concealed in the body, and illegal drugs.
- FIG. 5 is a diagram schematically showing a state in which a person is inspected using a body checker. Since the antenna unit 10 is small and light and handy, the antenna unit 10 can be inspected quickly by simply pressing the antenna unit 10 from the top of the clothes. In this example, the antenna portion with a cover shown in FIG. 4 is used. However, in FIG. 5, the cover for covering the antenna portion 10 is used to make it easier to imagine the shape of the antenna coil, which is the point of the present invention. Is omitted.
- Reference numeral 6 denotes a body checker body
- reference numeral 7 denotes a cable connecting the antenna unit 10 and the body checker body 6.
- Shoe Inspection Device This example is an example used for a shoe inspection device that inspects explosives and illegal drugs concealed in shoes.
- FIG. 6 is a view showing the antenna unit 8 and the inspection table 8a of the shoe inspection apparatus of this example, and the antenna coil is housed inside the inspection table 8a so as to face the upper surface of the inspection table 8a.
- Mine detection device This example is an example used for a mine detection device for detecting a land mine buried in the ground.
- FIG. 7 is a diagram schematically showing landmine detection in this example.
- FIG. 8 is a view showing the appearance of the antenna coil, matching circuit, and preamplifier housing box of the landmine detection device of this example.
- a land mine buried in the ground can be detected from the ground surface. That is, the ground surface is moved while radiating radio waves from the antenna coil 1 toward the ground.
- the antenna coil 1 receives the NQR signal generated by the explosives inside the land mine 13 excited by the radio wave to detect the land mine. Can do.
- the mine detection device since the weight of the mine detection device including the antenna coil (with cover) 11 shown in FIG. 8, the matching circuit, and the preamplifier storage box 12 can be reduced to about 5 kg, the mine detection device can be reduced. Can be easily mounted on the robot arm, and can be detected safely because a person can detect it remotely without approaching the inspection area.
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Abstract
Description
高周波パルス発生手段と、
発生した高周波パルスを検査対象物に対してラジオ波として照射すると共に、前記検査対象物が前記ラジオ波により励起されて発する核四極子信号を受信するアンテナコイルと、
受信した前記核四極子信号に基づき、前記検査対象物における爆発物および/または不正薬物を検知する検知手段とを備えており、
前記アンテナコイルが、相互に逆巻きされた2つのソレノイド型コイル部が設けられるように8の字形状に高周波用同軸ケーブルを用いて形成され、検査対象物に対向させて用いられるように構成されている
ことを特徴とする爆発物、不正薬物検査装置である。
前記高周波用同軸ケーブルのシールド部の一部に切り欠き部が設けられていることを特徴とする請求項1に記載の爆発物、不正薬物検査装置である。
ボディチェック用、靴検査用または地雷探査用であることを特徴とする請求項1または請求項2に記載の爆発物、不正薬物検査装置である。
請求項1ないし請求項3のいずれか1項に記載の爆発物、不正薬物検査装置に用いられるアンテナコイルであって、
相互に逆巻きされた2つのソレノイド型コイル部が設けられるように8の字形状に高周波用同軸ケーブルを用いて形成され、検査対象物に対向させて用いられるように構成されていることを特徴とする爆発物、不正薬物検査装置用のアンテナコイルである。
請求項4に記載のアンテナコイルを検査対象物に対向させる対向工程と、
前記アンテナコイルより、前記検査対象物に対して、高周波パルス発生手段を用いて発生させた高周波パルスをラジオ波として照射する照射工程と、
前記アンテナコイルにより、前記ラジオ波の照射により励起された前記検査対象物が発する核四極子信号を受信する受信工程と、
前記アンテナコイルが受信した前記核四極子信号に基づき、前記検査対象物における爆発物および/または不正薬物を検知する検知工程と
を備えていることを特徴とする爆発物、不正薬物検査方法である。
最初に、本発明の実施の形態に係る爆発物、不正薬物検査装置の基本的な構成につき説明する。
まず、爆発物、不正薬物検査装置のアンテナ部の基本的な構成につき、図1に基づいて説明する。図1は本発明の一実施の形態に係る爆発物、不正薬物検査装置のアンテナ部の基本的な構成を模式的に示す図であり、図1(a)、図1(b)にはそれぞれアンテナコイルの形状、アンテナコイルの中心部を拡大した図が示されている。図1(a)において、1は1本の高周波用同軸ケーブルからなるアンテナコイルであり、左右2つのソレノイド型コイルが設けられ、その両端は接続部3によりマッチングボックス(MB)2に接続されている。
次に、アンテナ部における送受信の基本的な原理につき、図2に基づいて説明する。図2はアンテナ部の基本的な原理を示すブロック図である。図2において、1、2、3は、図1と同様であり、4はパワーディバイダ、5、5’はクロスダイオードである。
次に、本発明の実施の形態に係る爆発物、不正薬物検査装置を用いて行った具体的な検査の結果を図3に示し説明する。
次いで、本発明の実施の形態に係る爆発物、不正薬物検査装置の具体的な使用例を挙げて、より具体的に説明する。
本例は、図1に示したアンテナコイルを手荷物や貨物等に隠匿された爆発物、不正薬物を検査する検査装置に使用した例である。
本例は、人の着衣や体内に隠匿された爆発物、不正薬物を検査するボディチェッカーに使用した例である。
本例は、靴の中に隠匿された爆発物、不正薬物を検査する靴検査装置に使用した例である。
本例は、地中に埋設された地雷を探知する地雷探知装置に使用した例である。
1a 導線
1b 絶縁体
1c 電磁シールド材
1d シース保護被覆
1e 切り欠き部
2 マッチングボックス
2a 可変コンデンサー
3 接続部
4 パワーディバイダ
5、5’ クロスダイオード
6 ボディチェッカー本体
7 ケーブル
8、10 アンテナ部
8a 検査台
12 マッチング回路とプリアンプの収容ボックス
13 地雷
22、23 電磁シールド
24 パーソナルコンピュータ
25 バッグ
26 検査対象物
Claims (5)
- 高周波パルス発生手段と、
発生した高周波パルスを検査対象物に対してラジオ波として照射すると共に、前記検査対象物が前記ラジオ波により励起されて発する核四極子信号を受信するアンテナコイルと、
受信した前記核四極子信号に基づき、前記検査対象物における爆発物および/または不正薬物を検知する検知手段とを備えており、
前記アンテナコイルが、相互に逆巻きされた2つのソレノイド型コイル部が設けられるように8の字形状に高周波用同軸ケーブルを用いて形成され、検査対象物に対向させて用いられるように構成されている
ことを特徴とする爆発物、不正薬物検査装置。 - 前記高周波用同軸ケーブルのシールド部の一部に切り欠き部が設けられていることを特徴とする請求項1に記載の爆発物、不正薬物検査装置。
- ボディチェック用、靴検査用または地雷探査用であることを特徴とする請求項1または請求項2に記載の爆発物、不正薬物検査装置。
- 請求項1ないし請求項3のいずれか1項に記載の爆発物、不正薬物検査装置に用いられるアンテナコイルであって、
相互に逆巻きされた2つのソレノイド型コイル部が設けられるように8の字形状に高周波用同軸ケーブルを用いて形成され、検査対象物に対向させて用いられるように構成されていることを特徴とする爆発物、不正薬物検査装置用のアンテナコイル。 - 請求項4に記載のアンテナコイルを検査対象物に対向させる対向工程と、
前記アンテナコイルより、前記検査対象物に対して、高周波パルス発生手段を用いて発生させた高周波パルスをラジオ波として照射する照射工程と、
前記アンテナコイルにより、前記ラジオ波の照射により励起された前記検査対象物が発する核四極子信号を受信する受信工程と、
前記アンテナコイルが受信した前記核四極子信号に基づき、前記検査対象物における爆発物および/または不正薬物を検知する検知工程と
を備えていることを特徴とする爆発物、不正薬物検査方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2009301745A AU2009301745A1 (en) | 2008-10-06 | 2009-10-02 | Equipment for Inspecting Explosives and/or Illicit Drugs, Antenna Coil and Method for Inspecting Explosives and/or IIlicit Drugs |
CN200980138965.4A CN102171555B (zh) | 2008-10-06 | 2009-10-02 | 爆炸物和不正当药物检查装置、天线线圈以及爆炸物和不正当药物检查方法 |
EP09819142A EP2336754A4 (en) | 2008-10-06 | 2009-10-02 | DEVICE FOR INSPECTING COMPRESSORS AND / OR ILLEGAL DRUGS, ANTENNA COIL AND METHOD FOR INSPECTION OF SPHERES AND / OR ILLEGAL DRUGS |
US13/122,466 US8525515B2 (en) | 2008-10-06 | 2009-10-02 | Equipment for inspecting explosives and/or illicit drugs, antenna coil and method for inspecting explosives and/or illicit drugs |
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JP2008259785A JP5288462B2 (ja) | 2008-10-06 | 2008-10-06 | 爆発物、不正薬物検査装置、アンテナコイルおよび爆発物、不正薬物検査方法 |
JP2008-259785 | 2008-10-06 |
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EP (1) | EP2336754A4 (ja) |
JP (1) | JP5288462B2 (ja) |
CN (1) | CN102171555B (ja) |
AU (1) | AU2009301745A1 (ja) |
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CN112578375A (zh) * | 2020-12-13 | 2021-03-30 | 中国电波传播研究所(中国电子科技集团公司第二十二研究所) | 一种手持式复合探测器探头及其制备方法 |
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US11520069B2 (en) | 2020-04-20 | 2022-12-06 | Battelle Memorial Institute | Footwear scanning systems and methods |
US12038489B2 (en) | 2020-04-22 | 2024-07-16 | The Trustees Of Princeton University | System for radio frequency illumination based temperature modulated-nuclear quadrupole resonance (TM-NQR) and signature detection of potential threat materials |
US11353528B2 (en) | 2020-05-26 | 2022-06-07 | Raytheon Company | Material detection system |
US11984922B2 (en) | 2021-11-30 | 2024-05-14 | Raytheon Company | Differential probe with single transceiver antenna |
CN115840223B (zh) * | 2023-02-15 | 2023-05-09 | 成都熵泱科技有限公司 | 一种可识别目标属性的无人机探测系统及方法 |
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- 2009-10-02 WO PCT/JP2009/067262 patent/WO2010041607A1/ja active Application Filing
- 2009-10-02 EP EP09819142A patent/EP2336754A4/en not_active Ceased
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CN102171555B (zh) | 2014-04-09 |
US8525515B2 (en) | 2013-09-03 |
US20110181281A1 (en) | 2011-07-28 |
EP2336754A1 (en) | 2011-06-22 |
JP2010091327A (ja) | 2010-04-22 |
JP5288462B2 (ja) | 2013-09-11 |
EP2336754A4 (en) | 2012-09-05 |
CN102171555A (zh) | 2011-08-31 |
AU2009301745A1 (en) | 2010-04-15 |
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